Wrench



May 4 1926. I 1,583,331 V. H. ALEY ET Al.

WRENCH n Filed May 29, 1925 ATTORNEYS Patented May 4, 1926.

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7 vIAoToR H. LEY AND ARTHUR E. MenARnAND, or WLsoN, OKLAHOMA. i

WRENCH.

Application filed May 29, 1925. serial Nofssev.

To all whom t may concern."

` Be it known that we, VICTOR H. ALEY and ARTHUR E. MGFARLAND, citizens.of the United States, residing aty Wilson, inl the county o-f Carter,State of Oklahoma, have invented certain new andv useful improvements inlVrenches, ofwhich the following is a specification. l y

This invention relates to an improvement in.socket rwrenches of the typehaving a plurality of working heads of-various types or sizes adapted tobe selectively brought into userin order to effectively. engage andc'e-act with thefnut or other object to be turned oractuated. i

The object of the invention resides in the provision ofl a wrench ofthis character wherein the working head in use is firmly, rigidly andpositively connected to the operating means of the wirench and yeteasily and readily 'shiftable to an inoperative position to provide lforthe bringing of a different style or size of working head into positionfor use.

Other objects andl advantages reside in certain no-vel features of theconstruction, 'arrangement and combination of parts which .will be,hereinafter more fully described and particularly pointed out in theappended claims, reference being had to the accompanying drawingsforming a part of this specification, and in which:

Figure 1 is a perspective view showing a preferred embodiment of theinvention,

Figure 2 is a fragmentary view in perspective illustrating the forwardend of the shank Vof the `wrench and one of the working heads,

Figure 3 is a detail perspective view of the working head.

Referring to the drawings the numeral 1 y designates generally theoperating means of the wfrench and as vshown comprises a hand grip 2swiveled to one end of a bar 3 which 'has a crank 4 provided therein tofacilitate turning of the wrench. A shank 5 is connected to the oppositearm of the crank from that to which the hand grip 2 is swiveled and thisshank 5 takes the form of aliat bar. Each side face ofthe bar making upthe shank 5 has a main groove or channel 6 therein wlhich extends outthrough the forward end of the shank and which communicates with spacedbranch slots 7 extending rearwardlyto a point ad- 7b and the walls ofthe inclined portions and a. straight portion f 7a of the slotsZaprovidetighteners for the wi'orking heads as will lhereinafter. moreclearly appear. n

A plurality of working heads,designated generally at l0, and ofdifferent sizes, type or style, are provided. Fachl working head hasa'socket 11 formed with working faces adapted to engage'the nut, boltheads or other objects to beturned` or held.v Rearwardly extending arms12- are integrally formed wlith the body of each working head and attheir ends these' arms 12 have inturned lugs 13.A 4

In assembling the working heads on the shank 5 the lugs 13 areintroducedinto the slots 6 and then passed down into either one of theslots 7 After the workingheads fast-ened `to the lforward. end of theshank and has portions 'projecting into vthe `op,-

-posite slots 6. The pin may be a driving so 'i fit in a suitableopening in the forward .f

end of the 4shank 5 or maybe otherwsesevcured in position. In thiswaythe working A heads are permanently mounted on the shank and yet anyone of the working heads may befselected and brought into drivingengagement with` the forward end of the shank as will be hereinaftermore fully de- The `forward end ofthe shank y5 is reduced,l as indicatedat 15, and 'at the juncture of thereduced end andthe main portion of theshank shoulders 16 are presented. i

The reduced end 15 isradapted-to snugly fit in a correspondingly fonmedseat 18 provided in each of the working heads rear- `wardly of thesocket 1l thereof; When the reduced end 15 is engaged in the seat 18 ofany working head, suchr working head is constrained to partake of theturning movef head is positively connected to the shank.

10o l ment ofthe shank 5 so that such working This driving engagementresults from the feature ofhaving the reduced forward end of thev shankof non-circular cross section and of having the seat 18 in the working`head of :corresponding form. Moreover,

rearward movement of such working head on the shank is prevented byvirtue of thc fact thateach working head has flat walls shank. Y

or surfaces 19 Vformed thereon Which are engageable with the shoulders16 of the 'other of the slots 7, and positioning,` the Working head tobe 15 of the shank 5.

ln order to relcasably hold the working heads when not in 1ase in therear straight portion 7G of the slotspring projecting retaining balls 8Gare provided at the juncture of the portions ia and 7b of the slots 7.rlhe lugs 13 are Aadavtedto depress these pawls and to ride over thesaine when the working heads are inan ally shifted but the pawls areeffective to prevent accidental displaceinent of the working heads fromthe portions 7b of the slots.

`lVe claiinz- 1l A socket wrench including,` operating ineans having ashank provided with a. inain slot on each of its side faces and a pairof branch slots Von each of its side faces coininunicating with the mainslot thereof, a plurality of'workinp,` heads mounted on the shank, eachworking head having inturned lugs 'slidably engaged with the walls ofthe slots, the forward end `of the shank being` reducedand of polygonalforni, the working heads having` seats adapted to snugly receive theworking' head to provide a. driving connection between any one of theworking heads and the shank. I

2. A socket wrench including' a` shank having in each side face a mainslot leading out through the forward end ofthe shank and having a pairof branching slots in each side face communicating` with the rear endused on the reduced end of the lnain slot thereof, a plurality ofworking heads, each working head having a pair of arms providedl withintnrned lugs slid'ably fitted in the slots, a pin connected with theforward end of the shank and having` portions projecting into the Inainslot to 3. A socket wrench including operating nieans having a shankprovided with a niain slot on each of its side faces and a pair ofbranch slots on each of its side faces coniinunieating,` with the inainslot thereof, said slots being` adapted to have their walls slidablyengage with inturned lugs on ay plurality of working` heads, and ineansat the forward end of the shank adapted to co-act with any selected oneof the working; heads for positively driving the selected working headfromv the shank.

1. A socket wrench including a shank having; ineans extending* along thesaine adapted to be slidably interengaged with a. plurality of working;heads for permanently holding` the working` heads en the shank, saidshank having ineens at its forward end adapted to co-act with anyselected one of the working heads for positively driving the selectedworkingl head freni the shank without removing any of the working headsfrein the sha-nk. l Y

A socket wrench including operating means provided with a main slot oneach of its side facesjand a pair of branch slots on` each of its sidefaces communicating with the main slots thereof, said slots beingadapted to have their walls slidably engaged with inturned lugs providedon each of a pair of working' heads, said shank having` its forward endof'non-circular cross section and havingv sheulders at the juncture ofsaid forward end and the inain portion of the shank, i

said forward end and said shoulders being adapted to co-act with partsof any selected one of the working heads for driving the selectedworking head.

VILCTR H. ALEY. ARTHUR E. MCFARLANI).

